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Finding the Fourth Proportional to 303,482.82, 455,282.82 and 116,479.74

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Solution

The fourth proportional to 303,482.82, 455,282.82 and 116,479.74 is: 174,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,482.82 : 455,282.82 = 116,479.74 : x
  2. Step 2: Convert to fraction form
    303,482.82/455,282.82 = 116,479.74/x
  3. Step 3: Cross multiply
    303,482.82x = 455,282.82 × 116,479.74
  4. Step 4: Simplify right side
    303,482.82x = 53,031,224,500.07
  5. Step 5: Solve for x
    x = 53,031,224,500.07/303,482.82
  6. Step 6: Final answer
    x = 174,742.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.